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9039897 Method and system for treating wastewater and sludges by optimizing sCO2 for anaerobic autotrophic microbes  
The present invention describes a method of optimizing CO2 concentration to increase the specific growth rate of Anammox bacteria and methanogens in wastewater and sludge treatment, as well as...
9017556 Ultrapure water production method and apparatus therefor  
Ultrapure water of high purity having extremely low TOC concentration is produced by efficiently degrading urea in raw water by biological activated carbon treatment even when the raw water...
9011689 Artificial recharge system  
An artificial recharge system and method for recharging an aquifer. The artificial recharge system includes a constructed wetland, a settling pond, and a porous recharge reservoir. The constructed...
8980091 Oxygen control system and method for wastewater treatment  
A method and system for controlling dissolved oxygen levels in a secondary treatment system of a wastewater treatment facility that can employ a membrane bioreactor in which oxygen introduction...
8980090 Apparatus and method for alternative aeration-effluent wastewater treatment using ceramic membrane  
Disclosed are apparatus and method for alternative aeration-effluent wastewater treatment using a ceramic membrane, which allows the biological treatment to be performed sufficiently in an...
8974669 Thermally enhanced integrated wastewater treatment system  
Novel methods and systems for efficient and economic treatment of wastewater, and other fluidized and solid organic wastes, comprise heating the aerobic digestion process with waste heat given off...
8956540 Process and apparatus for controlling aeration during nitrification and denitrification of water  
A process for treating water that includes ammonium. The water is directed to a biological reactor and the quantity of nitrates formed in the reactor and the quantity of ammonium reduced in the...
8926841 System and method for converting organic waste into methane and other useful products  
An organic waste processing system and method for producing a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid. The system includes (i) a...
8916046 Method for controlling oxygen supply for treating wastewater, and facility for implementing same  
The invention relates to a method for controlling oxygen supply in a tank (2) for biologically treating wastewater by alternating aeration including consecutive cycles, wherein each cycle...
8894855 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system and an anaerobic digester that digests or converts at least a...
8894857 Methods and systems for treating wastewater  
A method and system of treating wastewater is disclosed. The treatment system has a nitrification-denitrification system comprising a sorption system, a biofilm system, and an anaerobic digester...
8845900 Apparatus and methods for control of waste treatment processes  
Waste-treatment processes are enhanced through generation and introduction of specific biological populations customized to perform or favor specific tasks either during the main process, for the...
8840789 Local sewage processing unit, sewage treatment system, method of locally processing sewage and sewage treatment process  
A local sewage processing unit is provided that receives sewage from a local source of sewage, extracts water from the received sewage that is suitable for re-use and includes a pump that is...
8828229 Distributed facultative bacteria water treatment system with membrane biological reactor package plant augmentation  
The invention is directed to wastewater treatment and wastewater reuse. A distributed biological treatment system for modification of the sewer biofilm through the mechanism of competitive...
8821727 Systems and methods for treating wastewater  
A wastewater treatment system includes one or more aeration tanks for receiving wastewater, a controller for controlling the amount of air delivered to each of the one or more aeration tanks by a...
8784658 Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration  
The present invention relates to a process for treating wastewater that includes the steps of: —a contact step, wherein wastewater contacts bacteria retained on a support surface and the dissolved...
8758615 Systems and methods for anaerobic digestion of biomaterials  
Systems and methods for performing anaerobic digestion of biomaterials using a clarifier, a batch reactor, and/or a digester are disclosed. The clarifier performs pretreatment processing of...
8696907 Plant for the treatment and disposal of waste water containing salts and oil and method for the treatment and disposal of waste water containing salts and oil  
The invention relates to a plant and a method for the treatment and disposal of waste water containing salts and oil, in particular produced water, comprising at least one settling area for...
8685247 Systems and methods for nutrient removal in biological treatment systems  
The present invention relates to systems and processes of wastewater treatment and, in particular, to systems and methods of treating wastewater utilizing biological treatments utilizing two mixed...
8679340 Method to stimulate and sustain the anaerobic biodegradation of light non-aqueous phase liquid  
A method for treating LNAPL source zones using a cost effective LNAPL source zone technology to degrade residual LNAPL, by introducing bioremediation amendments comprising nutritional supplements...
8658037 Method for determining physiological state of microbial community and wastewater treatment method  
The present invention provides a method for determining the physiological state of a microbial community, which rapidly and precisely determines the physiological state of a microbial community...
8623213 Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods  
A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a...
8585892 System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system  
A wastewater treatment system includes independent wastewater treatment facilities. Each of the facilities has a number of wastewater treatment subsystems. A wastewater collection subsystem holds...
8574435 Advanced treatment system of wastewater having plasma discharging vessel  
Disclosed herein is an advanced treatment system processing contaminated water or fouled water/waste water, and particularly, a system for membrane fouling control and reduction in the amount of...
8568592 Method of biological phosphorus removal with maximum nitrogen removal in wastewater  
A method for removing phosphorus and nitrogen from an activated sludge wastewater treatment system is provided consisting of one or more anaerobic zones followed by two or more activated sludge...
8545700 Reduction and control of pH and soluble CO2 for optimal nitrification of wastewater  
The invention includes a method for the optimization of the soluble CO2 concentration in the aeration basin of an activated sludge system, which significantly improves the specific growth rate of...
8535534 Solids retention time uncoupling by selective wasting of sludge  
Fluorescence in situ hybridizations were used to identify and determine the abundance of nitrifying bacteria and Anammox bacteria (recycling bacteria) in freshly settled sludge of biological...
8506810 Process and apparatus for low-emission storage of biodegradable matter  
A process and an apparatus for low-emission storage of biodegradable materials by means of aeration, without aerobic conditions materializing in the material, permits a more consistent feed of the...
8470177 Method and apparatus for anaerobic digestion of organic liquid waste streams  
A system and method for treating high-strength organic liquid waste. Generally, the method includes feeding influent high-strength organic liquid waste including organic molecules to an anaerobic...
8465645 Renewable energy microgeneration system  
A renewable energy microgeneration system is disclosed. The system comprises one or more portable containers that include a plurality of small holding tanks that are configured to perform at least...
8425782 Wastewater concentrator method and system  
Disclosed is a system for reducing the demand of wastewater volume flowing through a wastewater collection piping system thereby increasing the effective capacity of the system. A portion of the...
8414770 Systems and methods for anaerobic digestion of biomaterials  
Systems and methods for performing anaerobic digestion of biomaterials using a clarifier, a batch reactor, and/or a digester are disclosed. The clarifier performs pretreatment processing of...
8388833 System and process for removing nitrogen compounds and odors from wastewater and wastewater treatment system  
A wastewater treatment system includes independent wastewater treatment facilities. Each of the facilities has a number of wastewater treatment subsystems. A wastewater collection subsystem holds...
8382983 Systems and methods for converting gaseous byproducts of wastewater treatment into energy  
A method for removing methane from biogas is described. The method includes: (i) receiving biogas including methane and other components into a first tank; (ii) receiving water into the first...
8348624 Efficiency optimized air flow apparatus and method  
A method for controlling the motor of an air handling system to provide a desired output of flowing air therefrom while minimizing the power used by the motor, including operationally connecting a...
8323498 Systems and methods for automated control of mixing and aeration in treatment processes  
A system and method for automatically controlling aeration and mixing processes are disclosed.
8308946 Systems and methods for anaerobic digestion of biomaterials  
Systems and methods for performing anaerobic digestion of biomaterials using a clarifier, a batch reactor, and/or a digester are disclosed. The clarifier performs pretreatment processing of...
8303817 Wastewater treatment method and wastewater treatment apparatus  
A nitrification carrier having made nitrifying bacteria dominant therein and a denitrification carrier having made anaerobic ammonium-oxidizing bacteria dominant therein are mixed in a treatment...
8287732 Integration of anaerobic digestion in an algae-based biofuel system  
Systems and methods for the treatment of lipid-extracted algae biomass and recycling nutrients are provided. The lipid-extracted algae biomass is hydrolyzed prior to anaerobic digestion, and the...
8277658 Wastewater treatment  
A system and method for treating wastewater by continuously flowing wastewater into a chemostat and continuously discharging clean water out of the chemostat. The system can include sensors and an...
8268173 Controlled aeration of integrated fixed-film activated sludge bioreactor systems for the treatment of wastewater  
A method of biologically treating wastewater with an integrated fixed film activated sludge process. The integrated fixed film activated sludge process includes biomass suspended in mixed liquor...
8257592 Biological wastewater treatment apparatus and methods using moving belt contractor  
A compact biological treatment assembly, apparatus and methods are disclosed, the apparatus including a movable belt biological contactor having selected microbial cultures established thereon....
8246829 Systems and methods for water treatment and remediation  
A modularizable system for residential water treatment having a low energy requirement to process water for reuse at the residence which results in a reduction in the amount of fossil fuels...
8216477 Protein skimmer for salt-water aquarium  
An apparatus for removing organics from water has an upwardly open and downwardly closed column having a tubular side wall and a floor and a generally closed chamber on the floor of the column and...
8216517 System and method for monitoring an integrated system  
A control system includes an estimator configured to determine a present state of a device and compare the present state of the device with an expected state of the device. The control system...
8153007 Method of treating wastewater  
A method of treating a wastewater, containing the steps of: filtering a wastewater supplied into an activated sludge tank and biologically-treated therein, in a membrane module installed outside...
8147695 Method of removing phosphorus from wastewater  
A process for removing phosphorus from wastewater wherein an iron or aluminum salt is added to the wastewater. The iron or aluminum salt results in the precipitation of certain iron or aluminum...
8110109 Biological water treatment by alternating continuous and sequential aeration  
A method of biologically treating water and more particularly, a process for nitrifying and denitrifying water includes employing a continuous aeration mode and a sequential aeration mode. In the...
8097161 Wastewater treatment method  
The present invention provides a method that allows solid-liquid separation of activated sludge and a treated liquid to be carried out stably and efficiently by suitably evaluating the risk of...
8038881 Wastewater treatment  
A system and method for treating wastewater by continuously flowing wastewater into a chemostat and continuously discharging clean water out of the chemostat. The system can include sensors and an...

Matches 1 - 50 out of 369 1 2 3 4 5 6 7 8 >